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Alona [7]
2 years ago
14

WILL BRAINLIST IF YOU GET CORRECT AND HURRY

Mathematics
1 answer:
kirill115 [55]2 years ago
7 0
ANSWER : B

I know cause I took it and it was B
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Pleaseeee help!!!! I will mark you as brainlinest for correct answer!!!!!!!!
Alborosie
The graph you chose has a y intercept of 5. In other words, the point (0,5) is on that graph. However, if we plugged x = 0 into the function f(x), we get

f(x) = 3*5^x
f(0) = 3*5^0
f(0) = 3*1
f(0) = 3

So the point (0,3) is actually on the graph. The graph is increasing. So the answer is the upper left corner (instead of the upper right corner)
5 0
3 years ago
The sample consisted of 50 night students, with a sample mean GPA of 3.02 and a standard deviation of 0.08, and 25 day students,
bulgar [2K]

Answer: The test statistic is t= -0.90.

Step-by-step explanation:

Since we have given that

n₁ = 50

n₂ = 25

\bar{x_1}=3.02\\\\\bar{x_2}=3.04\\\\\sigma_1=0.08\\\\\sigma_2=0.06

So, s would be

s=\sqrt{\dfrac{n_1\sigma_1^2+n_2\sigma_2^2}{n_1+n_2-2}}\\\\s=\sqrt{\dfrac{50\times 0.08^2+25\times 0.06^2}{50+25-2}}\\\\s=0.075

So, the value of test statistic would be

t=\dfrac{\bar{x_1}-\bar{x_2}}{s(\dfrac{1}{n_1}+\dfrac{1}{n_2})}\\t=\dfrac{3.02-3.04}{0.074(\dfrac{1}{50}+\dfrac{1}{25})}\\\\t=\dfrac{-0.04}{0.074(0.02+0.04)}\\\\t=\dfrac{-0.04}{0.044}\\\\t=-0.90

Hence, the test statistic is t= -0.90.

7 0
3 years ago
Find the perimeter of triangle ABC with vertices A(–5, –2), B(–2, –2), and C(–5, 2).
KiRa [710]

Answer:

12 units

Step-by-step explanation:

the perimeter = AB+AC+BC=

3+4+5 = 12

3 0
3 years ago
Read 2 more answers
Please help meeee !!
katrin [286]

Answer:

The answer is B

3 0
4 years ago
A certain lottery​ game, 32 numbers are randomly mixed and 7 are selected. A person must pick all 7 numbers to win. Order is not
lorasvet [3.4K]

Answer:

Below.

Step-by-step explanation:

The number of combinations of 7 from 32 =  32! / 7! (32-7)!

= 3365856

So it is 1/ 3365856 = 0.000000297

or about 3 in 10,000,000.

3 0
3 years ago
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